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Idioms and Phrases with leg up, a

leg up, a

1

The act of assisting someone, giving someone a boost. For example, Studying with Jane, who knows French history well, will give you a leg up for the final exam. This usage alludes to helping a person get on a horse by getting a foot in the stirrup. [First half of 1800s]

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2

A position of advantage, as in Because of the advertising campaign, we had a leg up on the competition.

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The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.